How many flights depart from Seattle to Austin on average per week?

As of September 2026, 68 flights take off from Seattle and land in Austin each week. The most common flight departure day for this route is Fri, with 26% of weekly flights taking off on this day.

What is the cheapest airline that flies from Seattle/Tacoma Intl to Austin Bergstrom?

Delta and United Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Austin Bergstrom

How many flights depart from Seattle to Austin on average per day?

9 flights are operational daily from Seattle to Austin as of September 2026. The most popular departure time for this route is 17:00, with 52% of flights per day taking off in the afternoon.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport?

Prices for flights from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport are refreshed on a daily basis.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport.

What documentation or ID do you need to fly to Austin Bergstrom Airport?

The required travel and health documents for your Austin Bergstrom Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Austin Bergstrom Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

R2 375 Cheap Flights from Seattle to Austin in 2026

Find the cheapest flights from Seattle to Austin

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One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

23:59 - 10:14SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

8h 15m1 stop Atlanta Hartsfield-Jackson

6:09 - 8:40AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 31mdirect

R3 936Delta

Fri, Oct 2 - Sun, Oct 4

14:40 - 20:50SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 10mdirect

16:10 - 0:40AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

10h 30m2 stops Cincinnati Cinci./N. Kentucky Chicago Midway

R4 016Southwest

Sat, Oct 10 - Fri, Oct 16

21:25 - 12:15SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

12h 50m1 stop Las Vegas Harry Reid Intl

15:55 - 18:35AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 40mdirect

R4 032Southwest

Thu, Nov 5 - Wed, Nov 11

8:03 - 23:01SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

12h 58m2 stops Sacramento Intl San Diego

19:30 - 22:02AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 32mdirect

R4 064Alaska Airlines

Thu, Dec 3 - Mon, Dec 7

13:30 - 21:15SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

5h 45m1 stop Salt Lake City

19:25 - 0:11AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

6h 46m1 stop Salt Lake City

R4 096Delta

Tue, Jan 19 - Wed, Jan 27

5:30 - 21:00SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

13h 30m2 stops Chicago Midway Kansas City

15:55 - 18:35AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 40mdirect

R4 112Southwest

Thu, Nov 5 - Wed, Nov 11

12:45 - 20:45SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

6h 00m1 stop Las Vegas Harry Reid Intl

12:55 - 19:05AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

8h 10m2 stops Houston Hobby Denver Intl

R4 175Southwest

Tue, Oct 20 - Tue, Oct 27

11:50 - 22:27SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

8h 37m2 stops Sacramento Intl San Diego

6:00 - 15:09AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

11h 09m2 stops San Diego Sacramento Intl

R4 207Alaska Airlines

Tue, Oct 20 - Tue, Oct 27

17:51 - 23:58SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 07mdirect

19:03 - 21:44AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 41mdirect

R4 255Alaska Airlines

Tue, Jan 19 - Mon, Jan 25

5:15 - 19:20SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

12h 05m1 stop Sacramento Intl

14:30 - 21:10AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

8h 40m2 stops Las Vegas Harry Reid Intl San Diego

R4 271Southwest

Mon, Nov 16 - Tue, Nov 17

Cheap last-minute flights

Enter your travel dates to find the best prices.

23:16 - 8:31SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

7h 15m1 stop Dallas/Fort Worth

8:30 - 13:46AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

7h 16m1 stop Phoenix Sky Harbor Intl

R8 940American Airlines

Tue, Sep 8 - Thu, Sep 10

7:00 - 16:33SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

7h 33m1 stop San Francisco

14:24 - 19:08AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

6h 44m1 stop Houston George Bush Intcntl

R9 036United Airlines

Sun, Sep 6 - Tue, Sep 8

12:35 - 18:45SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 10mdirect

14:25 - 16:50AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 25mdirect

R9 594Southwest

Thu, Sep 10 - Sat, Sep 19

10:50 - 20:10SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

7h 20m1 stop Chicago Midway

14:25 - 16:50AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 25mdirect

R9 689Southwest

Thu, Sep 10 - Sat, Sep 19

15:30 - 23:59SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

6h 29m1 stop San Francisco

16:10 - 21:38AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

7h 28m1 stop Houston George Bush Intcntl

R9 705United Airlines

Wed, Sep 9 - Sat, Sep 19

17:50 - 23:55SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 05mdirect

6:09 - 8:40AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 31mdirect

R9 913Delta

Fri, Sep 11 - Tue, Sep 15

12:05 - 23:59SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

9h 54m2 stops Los Angeles Los Angeles Denver Intl

8:00 - 18:29AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

12h 29m2 stops Los Angeles Los Angeles San Francisco

R10 072United Airlines

Tue, Sep 8 - Sat, Sep 12

8:35 - 16:49SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

6h 14m1 stop Portland

8:30 - 11:00AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 30mdirect

R10 231Alaska Airlines

Fri, Sep 11 - Tue, Sep 15

7:15 - 13:26SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 11mdirect

18:05 - 20:43AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 38mdirect

R10 311Delta

Mon, Sep 7 - Fri, Oct 9

23:59 - 8:37SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

6h 38m1 stop Houston George Bush Intcntl

12:12 - 19:08AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

8h 56m1 stop Houston George Bush Intcntl

R10 438United Airlines

Sun, Sep 6 - Fri, Sep 18

Cheap direct flights

Enter your travel dates to find the best prices.

17:51 - 23:58SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 07mdirect

19:03 - 21:44AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 41mdirect

R4 255Alaska Airlines

Tue, Jan 19 - Mon, Jan 25

17:50 - 23:55SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 05mdirect

18:11 - 20:48AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 37mdirect

R4 414Delta

Sat, Sep 26 - Fri, Oct 2

17:50 - 23:55SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 05mdirect

18:11 - 20:48AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 37mdirect

R4 574Delta

Fri, Sep 25 - Fri, Oct 2

17:09 - 23:14SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 05mdirect

8:30 - 11:08AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 38mdirect

R4 590Alaska Airlines

Thu, Nov 5 - Mon, Nov 9

11:37 - 18:04SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 27mdirect

16:24 - 18:56AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 32mdirect

R4 733Alaska Airlines

Thu, Sep 24 - Sat, Sep 26

11:37 - 18:04SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 27mdirect

19:07 - 21:36AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 29mdirect

R4 765Alaska Airlines

Sat, Sep 26 - Fri, Oct 2

17:06 - 23:14SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 08mdirect

8:35 - 11:08AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 33mdirect

R4 893Alaska Airlines

Fri, Oct 2 - Tue, Oct 6

9:35 - 15:51SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 16mdirect

6:10 - 8:51AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 41mdirect

R5 052Delta

Fri, Feb 5 - Fri, Feb 26

17:08 - 23:14SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 06mdirect

19:07 - 21:42AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 35mdirect

R5 195Alaska Airlines

Fri, Oct 23 - Tue, Oct 27

17:50 - 23:55SEA Seattle/Tacoma Intl-AUS Austin Bergstrom

4h 05mdirect

6:00 - 8:41AUS Austin Bergstrom-SEA Seattle/Tacoma Intl

4h 41mdirect

R5 211Delta

Thu, Oct 1 - Fri, Oct 9

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Southwest flights from Seattle to Austin

Our best Southwest deals on Seattle to Austin flight tickets

Southwest

Oct 10

SEA14:40Seattle/Tacoma Intl

4h 10m

AUS20:50Austin Bergstrom

Oct 16

AUS16:10Austin Bergstrom

10h 30m

2 stops

SEA0:40Seattle/Tacoma Intl

R4 016

Southwest

Nov 5

SEA21:25Seattle/Tacoma Intl

12h 50m

1 stop

AUS12:15Austin Bergstrom

Nov 11

AUS15:55Austin Bergstrom

4h 40m

SEA18:35Seattle/Tacoma Intl

R4 032

Southwest

Nov 5

SEA5:30Seattle/Tacoma Intl

13h 30m

2 stops

AUS21:00Austin Bergstrom

Nov 11

AUS15:55Austin Bergstrom

4h 40m

SEA18:35Seattle/Tacoma Intl

R4 112

Delta flights from Seattle to Austin

Our best Delta deals on Seattle to Austin flight tickets

Delta

Oct 2

SEA23:59Seattle/Tacoma Intl

8h 15m

1 stop

AUS10:14Austin Bergstrom

Oct 4

AUS6:09Austin Bergstrom

4h 31m

SEA8:40Seattle/Tacoma Intl

R3 936

Delta

Jan 19

SEA13:30Seattle/Tacoma Intl

5h 45m

1 stop

AUS21:15Austin Bergstrom

Jan 27

AUS19:25Austin Bergstrom

6h 46m

1 stop

SEA0:11Seattle/Tacoma Intl

R4 096

Delta

Sept 26

SEA17:50Seattle/Tacoma Intl

4h 05m

AUS23:55Austin Bergstrom

Oct 2

AUS18:11Austin Bergstrom

4h 37m

SEA20:48Seattle/Tacoma Intl

R4 414

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleAustin

SEA Seattle/Tacoma Intl - AUS Austin Bergstrom

SEAAUS

Seattle/Tacoma Intl

Fri 2/10

23:59-10:14

1 stop8h 15m

Austin Bergstrom

Sun 4/10

6:09-8:40

Nonstop4h 31m

R3 936

SeattleAustin

SEA Seattle/Tacoma Intl - AUS Austin Bergstrom

SEAAUS

Seattle/Tacoma Intl

Sat 10/10

14:40-20:50

Nonstop4h 10m

Austin Bergstrom

Fri 16/10

16:10-0:40

2 stops10h 30m

R4 016

SeattleAustin

SEA Seattle/Tacoma Intl - AUS Austin Bergstrom

SEAAUS

Seattle/Tacoma Intl

Thu 5/11

21:25-12:15

1 stop12h 50m

Austin Bergstrom

Wed 11/11

15:55-18:35

Nonstop4h 40m

R4 032

SeattleAustin

SEA Seattle/Tacoma Intl - AUS Austin Bergstrom

SEAAUS

Seattle/Tacoma Intl

Thu 3/12

8:03-23:01

2 stops12h 58m

Austin Bergstrom

Mon 7/12

19:30-22:02

Nonstop4h 32m

R4 064

SeattleAustin

SEA Seattle/Tacoma Intl - AUS Austin Bergstrom

SEAAUS

Seattle/Tacoma Intl

Tue 19/1

13:30-21:15

1 stop5h 45m

Austin Bergstrom

Wed 27/1

19:25-0:11

1 stop6h 46m

R4 096

SeattleAustin

SEA Seattle/Tacoma Intl - AUS Austin Bergstrom

SEAAUS

Seattle/Tacoma Intl

Thu 5/11

5:30-21:00

2 stops13h 30m

Austin Bergstrom

Wed 11/11

15:55-18:35

Nonstop4h 40m

R4 112

SeattleAustin

SEA Seattle/Tacoma Intl - AUS Austin Bergstrom

SEAAUS

Seattle/Tacoma Intl

Tue 20/10

12:45-20:45

1 stop6h 00m

Austin Bergstrom

Tue 27/10

12:55-19:05

2 stops8h 10m

R4 175

SeattleAustin

SEA Seattle/Tacoma Intl - AUS Austin Bergstrom

SEAAUS

Seattle/Tacoma Intl

Tue 20/10

11:50-22:27

2 stops8h 37m

Austin Bergstrom

Tue 27/10

6:00-15:09

2 stops11h 09m

R4 207

Fastest return journey

SeattleAustin

SEA Seattle/Tacoma Intl - AUS Austin Bergstrom

SEAAUS

Seattle/Tacoma Intl

Tue 19/1

17:51-23:58

Nonstop4h 07m

Austin Bergstrom

Mon 25/1

19:03-21:44

Nonstop4h 41m

R4 255

SeattleAustin

SEA Seattle/Tacoma Intl - AUS Austin Bergstrom

SEAAUS

Seattle/Tacoma Intl

Mon 16/11

5:15-19:20

1 stop12h 05m

Austin Bergstrom

Tue 17/11

14:30-21:10

2 stops8h 40m

R4 271

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Seattle and Austin?

Prices are currently low for flights on this route.

Typical prices usually range from R4 526 to R6 805.
The lowest price recently found on this route was R3 936.

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Seattle is in January. Flight prices, which tend to average around R4 032, are often lower during this time because this is during the off-season. The month of February is another great option to travel to Austin, with average flight prices from Seattle averaging around R4 797.

How far in advance should I book a flight from Seattle to Austin?

You are more likely to see cheaper flights to Austin from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around R5 518 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Seattle for as low as R4 526 on momondo.

How have Seattle to Austin flight prices changed over time?

As of September 2026, prices for Seattle to Austin flights are approximately 34% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Austin according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Seattle to Austin (SEA to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Austin

Best price found	R2 375
Direct flights	Every day
Airports in Austin	1 airport

The best one-way flight to Austin from Seattle in the past 72 hours is R2 375. The best return flight deal from Seattle to Austin found on momondo in the last 72 hours is R3 936.

Direct flights go from Seattle to Austin every day.

There is 1 airport in Austin. From Seattle there are direct flights to Austin Bergstrom (AUS).

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Frequently asked questions about flying from Seattle to Austin

How far is Seattle/Tacoma Intl to Austin Bergstrom by plane?
A flight from Seattle/Tacoma Intl to Austin Bergstrom will travel around 2845,4 km.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport are refreshed on a daily basis.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Austin Bergstrom Airport.
What documentation or ID do you need to fly to Austin Bergstrom Airport?
The required travel and health documents for your Austin Bergstrom Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Austin Bergstrom Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Seattle to Austin?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Austin is Boeing 737, representing 40,79% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 23,95%, Boeing 737-800 Passenger/BBJ2 (winglets) at 16,72%, and Airbus A220-300 at 3,05%.

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Austin?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Austin. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Austin with flexible booking policies on momondo?

Flights from Seattle to Austin with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seattle to Austin?

Once you have performed a search for Seattle to Austin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Seattle to Austin right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Austin, momondo offers a useful price alert feature which will track prices for flights to Austin from Seattle and alert you when they change.

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Cheap flights from Seattle to Austin from R2 375

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Austin departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Southwest flights from Seattle to Austin

Our best Southwest deals on Seattle to Austin flight tickets

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Our best Delta deals on Seattle to Austin flight tickets

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How to get the cheapest flight ticket from Seattle to Austin

What is the typical price of a round-trip flight between Seattle and Austin?

What is the cheapest month to fly to Austin?

How far in advance should I book a flight from Seattle to Austin?

How have Seattle to Austin flight prices changed over time?

What is the cheapest airline that flies from Seattle/Tacoma Intl to Austin Bergstrom?

How many flights depart from Seattle to Austin on average per day?

How many flights depart from Seattle to Austin on average per week?

When to book flights from Seattle to Austin

Cheap Seattle to Austin (SEA to AUS) flight deals and tips

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Airports in Austin

Frequently asked questions about flying from Seattle to Austin

Why use momondo?

An easier way to manage your Austin trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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